1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.captcha;
24  
25  import java.io.IOException;
26  
27  import javax.portlet.PortletRequest;
28  import javax.portlet.PortletResponse;
29  
30  import javax.servlet.http.HttpServletRequest;
31  import javax.servlet.http.HttpServletResponse;
32  
33  /**
34   * <a href="CaptchaUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   */
38  public class CaptchaUtil {
39  
40      public static void check(HttpServletRequest request)
41          throws CaptchaTextException {
42  
43          getCaptcha().check(request);
44      }
45  
46      public static void check(PortletRequest portletRequest)
47          throws CaptchaTextException {
48  
49          getCaptcha().check(portletRequest);
50      }
51  
52      public static Captcha getCaptcha() {
53          return _captcha;
54      }
55  
56      public static boolean isEnabled(HttpServletRequest request) {
57          return getCaptcha().isEnabled(request);
58      }
59  
60      public static boolean isEnabled(PortletRequest portletRequest) {
61          return getCaptcha().isEnabled(portletRequest);
62      }
63  
64      public static void serveImage(
65              HttpServletRequest request, HttpServletResponse response)
66          throws IOException {
67  
68          getCaptcha().serveImage(request, response);
69      }
70  
71      public static void serveImage(
72              PortletRequest portletRequest, PortletResponse portletResponse)
73          throws IOException {
74  
75          getCaptcha().serveImage(portletRequest, portletResponse);
76      }
77  
78      public void setCaptcha(Captcha captcha) {
79          _captcha = captcha;
80      }
81  
82      private static Captcha _captcha;
83  
84  }